1To throb or ache (with pain); to feel a persistent, often sharp ache in a body part.
虫歯がうずいて夜も眠れなかった。
My tooth was throbbing and I couldn't sleep at night.
古いけがの部分が雨の日にうずくことがある。
Sometimes the spot of an old injury aches on rainy days.
足首がずっとうずいているので病院へ行った。
My ankle has been aching constantly, so I went to the hospital.
2To sting or rankle emotionally; to be sore or irritated by something mentally, leaving a lingering resentment or discomfort.
先日の一件が胸にうずいて、どうしても納得できない。
What happened the other day keeps bothering me; I just can't accept it.
あの言葉が頭にうずいて、一日中気分が晴れなかった。
Those words kept nagging at me and I couldn't feel cheerful all day.
不公平な扱いが彼の胸にうずき続けた。
The unfair treatment continued to rankle in his heart.